obtructive sleep apnea

Obtructive sleep apnoea syndrome (OSAS) is a common disorder in the general population with an estimated prevalence in an adult population of 2% in women and 4% in men. Although several studies have suggested that headaches, particularly morning headaches, are more common in patients with OSAS than in normal subjects, others have yielded contradictory findings. When the sleep-related breathing disorder was treated with success, the headache generally disappeared, supporting a causal role of the sleep disorder for headache...